-1105
domain: Z
Appears in sequences
- Spontaneous magnetization coefficients for square lattice spin 2 Ising model.at n=40A010103
- sech(cos(x)*arctan(x))=1-1/2!*x^2+25/4!*x^4-1105/6!*x^6+91313/8!*x^8...at n=3A012508
- Determinant of rank n matrix of 1..n^2 filled successively along antidiagonals.at n=46A069480
- Real part of Gaussian amicable numbers in order of increasing magnitude. See A102925 for the imaginary part.at n=0A102924
- a(n) = a(n-1) - 2*a(n-2) - 3*a(n-3) - ... - (n-1)*a(1), with a(1) = a(2) = 1, a(3) = -1.at n=11A106540
- Numerators in expansion of (1-x)^(5/2).at n=12A161202
- Alternating sum of 9-gonal (or nonagonal) numbers.at n=25A266086
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 395", based on the 5-celled von Neumann neighborhood.at n=23A271688
- Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 5/4.at n=25A279677
- Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. exp(k*(1 - exp(x))).at n=72A292861
- Expansion of 1/(1 + Sum_{k>=1} k^3 * x^k).at n=7A316088
- Triangle read by rows. T(n, k) = BellPolynomial(n, -k).at n=26A350263